diff --git a/src/Entity/EckEntityType.php b/src/Entity/EckEntityType.php
index dc4929b..da363b2 100644
--- a/src/Entity/EckEntityType.php
+++ b/src/Entity/EckEntityType.php
@@ -110,6 +110,15 @@ class EckEntityType extends ConfigEntityBase implements EckEntityTypeInterface {
   }
 
   /**
+   * {@inheritdoc}
+   */
+  public function delete() {
+    parent::delete();
+    $this->logger($this->id())->info('Entity type %label has been deleted.', ['%label' => $this->label()]);
+    $this->entityTypeManager()->clearCachedDefinitions();
+  }
+
+  /**
    * Gets the logger for a specific channel.
    *
    * @param string $channel
diff --git a/tests/src/Kernel/EckEntityTypeTest.php b/tests/src/Kernel/EckEntityTypeTest.php
new file mode 100644
index 0000000..2e09bcb
--- /dev/null
+++ b/tests/src/Kernel/EckEntityTypeTest.php
@@ -0,0 +1,55 @@
+<?php
+
+namespace Drupal\Tests\eck\Kernel;
+
+use Drupal\Core\Entity\EntityTypeManagerInterface;
+use Drupal\KernelTests\KernelTestBase;
+
+class EckEntityTypeTest extends KernelTestBase {
+
+  public static $modules = ['eck'];
+
+  /** @var EntityTypeManagerInterface */
+  private $entityTypeManager;
+
+
+  public function setUp() {
+    parent::setUp();
+    $this->entityTypeManager = \Drupal::entityTypeManager();
+  }
+
+  /**
+   * @test
+   */
+  public function newlyCreatedEntitiesArePickedUpByEntityTypeManager() {
+    $this->assertFalse((bool) $this->entityTypeManager->getDefinition('test_entity_type', FALSE));
+
+    $this->createEntityType('test_entity_type', 'Test entity type');
+
+    $this->assertTrue((bool) $this->entityTypeManager->getDefinition('test_entity_type', FALSE));
+  }
+
+  /**
+   * @test
+   */
+  public function deletingAnEntityTypeIsPickedUpByEntityTypeManager() {
+    $this->createEntityType('test_entity_type', 'Test entity type');
+
+    $entityType = $this->entityTypeManager->getStorage('eck_entity_type')->load('test_entity_type');
+    $entityType->delete();
+
+    $this->assertFalse((bool) $this->entityTypeManager->getDefinition('test_entity_type', FALSE));
+  }
+
+  /**
+   * @param string $machineName
+   * @param string $label
+   */
+  public function createEntityType($machineName, $label) {
+    $entityStorage = $this->entityTypeManager->getStorage('eck_entity_type');
+    $values = ['id' => $machineName, 'label' => $label];
+
+    $entityStorage->create($values)->save();
+  }
+
+}